Advanced task manager to check the process, see if there are any suspicious processes, if not, use icesword to check your hidden process, or it may be Trojan Horse online insertion technology, at this time, you need to uninstall the DLL file. Finally, open the system32 directory of the system to find the related XX.dll and XX.exe The two files are deleted.
Then restart the system and check the process, boot item and system directory of the system. You can use system repair engineer (SREng) to check the boot items, etc. Another gadget called Unlocker can unlock the process and then delete the file manually. That's it